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Finding the Fourth Proportional to 277,216.54, 382,556.97 and 156,358.83

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Solution

The fourth proportional to 277,216.54, 382,556.97 and 156,358.83 is: 215,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,216.54 : 382,556.97 = 156,358.83 : x
  2. Step 2: Convert to fraction form
    277,216.54/382,556.97 = 156,358.83/x
  3. Step 3: Cross multiply
    277,216.54x = 382,556.97 × 156,358.83
  4. Step 4: Simplify right side
    277,216.54x = 59,816,160,237.55
  5. Step 5: Solve for x
    x = 59,816,160,237.55/277,216.54
  6. Step 6: Final answer
    x = 215,774.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.